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Finding the Fourth Proportional to 8,498.12, 12,759.02 and 4,341.50

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Solution

The fourth proportional to 8,498.12, 12,759.02 and 4,341.50 is: 6,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.12 : 12,759.02 = 4,341.50 : x
  2. Step 2: Convert to fraction form
    8,498.12/12,759.02 = 4,341.50/x
  3. Step 3: Cross multiply
    8,498.12x = 12,759.02 × 4,341.50
  4. Step 4: Simplify right side
    8,498.12x = 55,393,263.95
  5. Step 5: Solve for x
    x = 55,393,263.95/8,498.12
  6. Step 6: Final answer
    x = 6,518.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.